How about drinking some coffee？（)A、Oh,I knowB、No,no.It's nothingC、I'd prefer to

nough blood up to the brain the circulatory 【C2】______ must be strong enough to keep the blood at very high pressure.

Biologists have known for some time that giraffes solve this problem by having 【C3】______ high blood pressure, about 【C4】______ that of human beings. But an international team of biologists began to 【C5】______ about this. If giraffes have such high blood pressure, they should have a 【C6】______ problem with swelling in their legs and feet. Why don't giraffes have swollen feet？

Giraffes should have 【C7】______ problem, too. Every time they bend heads 【C8】______ to drink, the blood should 【C9】______ to their heads and have a hard time 【C10】______ back up (when the head is down) to the heart. How come giraffes don't black out when they drink？

The answer to the 【C11】______ feet problem, the researchers found, is that giraffes have 【C12】______ the researchers call a "natural anti-gravity suit". It 【C13】______ out that the skin and other 【C14】______ in their legs and feet are 【C15】______ stiffer and tougher than those of other 【C16】______ . As a result, the blood vessels in the leg cannot swell.

Therefore, the blood has nowhere to go but back to the heart. What about blood rushing to the head 【C17】______ the giraffe bends down to drink？ The researchers found that the giraffe's jugular vein, which 【C18】______ blood from the head back to the heart, has lots of one-way valves in it. In the giraffe's neck, there are lots of muscles that flex and relax repeatedly as the animal moves its head and sucks 【C19】______ drinking water. By squeezing the valved jugular vein, they 【C20】______ blood moving back to the heart even while the animal is drinking.

【C1】

A．bring

B．produce

C．transfer

D．pump

_1_ about it afterward. We say we want only the best, but we strangely enjoy junk food. We're _2_ with health and weight loss but face an unprecedented epidemic of obesity（肥胖）. Perhaps the _3_ to this ambivalence（矛盾情结）lies in our history. The first Europeans came to this continent searching for new spices but went in vain. The first cash crop（经济作物）wasn't eaten but smoked. Then there was Prohibition, intended to prohibit drinking but actually encouraging more _4_ ways of doing it.

The immigrant experience, too, has been one of inharmony. Do as Romans do means eating what “real Americans” eat, but our nation's food has come to be _5_ by imports—pizza, say, or hot dogs. And some of the country's most treasured cooking comes from people who arrived here in shackles.

Perhaps it should come as no surprise then that food has been a medium for the nation's defining struggles, whether at the Boston Tea Party or the sitins at southern lunch counters. It is integral to our concepts of health and even morality whether one refrains from alcohol for religious reasons or evades meat for political.

But strong opinions have not brought _7_ . Americans are ambivalent about what they put in their mouths. We have become _8_ of our foods, especially as we learn more about what they contain.

The _9_ in food is still prosperous in the American consciousness. It's no coincidence, then, that the first Thanksgiving holds the American imagination in such bondage（束缚）. It's what we eat—and how we _10_ it with friends, family, and strangers—that help define America as a community today.

A. answer

I. creative

B. result

J. belief

C. share

K. suspicious

D. guilty

L. certainty

E. constant

M. obsessed

F. defined

N. identify

G. vanish

O. ideals

H. adapted

You know, I have three kids now. -- ________

A Oh, I’ve heard a lot about you

B That’s wonderful

C You’ve really changed your hair style.

D Well, I gave up drinking

These days, children often think of superheroes(超级英雄)as cute(漂亮的), cool and strong supermen. A poor, short and thin boy wearing glassed may not interest the kids today. Yet in less than 4 years, Harry Potter has taken the world by the storm. J. K. Rowling, the writer of Harry Potter, was a British single mother out of work and living on money given to her by the government. One day, when she was on a long train trip, she had the idea for this book. She wrote the first book of the seven in the café with her baby daughter sleeping beside her. Last year, the fans welcomed the birth of the fourth by lining outside the bookstores. Today these books are still popular among people. Harry Potter is something more than fantasy(幻想). Rowling tries to tell the readers how things are not always what they seem to be. However, millions of the fans don’t care about such a lesson. They would like to spend many sleepless nights waiting in line for the fifth, the sixth and the seventh to come. For them, surprising stories of the little boy are what they want.

1. J.K. Rowling ________ when she wrote the first book.

A. lived a quiet life with her husband

B. was very poor and didn’t get work for herself

C. had to teach her daughter how to work

D. was already a famous writer

2. When did Rowling think of the idea of writing her book？

A. While she was telling her baby stories about superheroes.

B. While she was going on a long trip.

C. She was on her way to find work.

D. While she was drinking in a café.

3. How many books of the seven have come out according to this passage？

A. Four.

B. Five.

C. Six.

D. Seven.

4. What does Rowling want to show to her readers？

A. Harry Potter is a poor, short and thin boy wearing glasses.

B. Fantasy.

C. How things are not always what they seem to be.

D. She has got many interesting story books.

5. Which of the following is TRUE？

A. Rowling wrote the first book with her daughter’s help.

B. Rowling gave birth to her fourth baby last year.

C. The fans just care about the surprising stories of Harry Potter.

D. Only children love the books, for they’re fairy tales.

ities with the highest, hest concentrations of centenarians in the world.

The people in the five regions in Europe, Latin America,Asia and the US that live to be 100 have a lot going for them. Genes probably play a small role, but these folks also have strong social ties ,tightly-knit families and lots of opportunities to exercise.

As we were examining the dietary secrets of the Blue Zones, as described in author Dan Buettner" s latest book, The Blue Zones Solution, we were struck by how essential tea drinking is in these regions. In fact, Buettner&39; s Blue Zones Beverage Rule--a kind of guideline summarized from his 15 or so years of studying these places--is:" Drink coffee for breakfast, tea in the afternoon, wine at 5 p. tm"

Science has plenty to say about the healthful virtues of green tea. Researchers are most enthusi- astic almt the components in green tea, as well as foods like cocoa. Why might they help so many Okina~vans in Japan break 1007 Some components in green tea can lower the risk of stroke,heart disease attd several cancers. One review study also found that drinking green tea can slightly improve metabolism (新陈代谢).

If you find yourself on the island of Ikaria, the Greek Blue Zone in the middle of the Aegean, you won&39;t be offered any tea made with tea leaves. Instead, Ikarians typically make their daily cup of tea with just one fresh herb that they have picked themselves that day--either rosemary, wild sage,oregano,nmrjotmn,mint or dandelion,all plants that may have anti-inflammatory (消炎的) properties, which may help lower blood pressure. This could explain Ikaria&39; s very low dementia (痴呆) rate,since high blood pressure is a risk factor for the disease.

52. What does the underlined word "centenarians" in Paragraph 1 refer to？

A.People who have secret lifestyles

B.People who enjoy physical exercise

C.People who are one hundred years old or older

D.People who carry the gene for being slim

What may the tea Ikarians drink daily help？A.To improve metabolism

B.To lower blood pressure

C.To lower life stress

D.To improve social relationships

According to Paragraph 3 ,what is the recommended time for tea drinking？A.In the morning

B.Any time of a day

C.In the early evening

D.In the afternoon

What might be the best title of the passage？A.Tea-Drinking Tips

B.Lifestyle Secrets of Ikarians

C.Tea-Drinking Ceremony in Okinawa

D.Blue Zones Solutions

请帮忙给出每个问题的正确答案和分析，谢谢！

the influence of drinking milk after heavy weightlifting, has observed that milk helps exercisers burn more fat.

The scientists took three groups of young men 18 to 30 years of age,56 in total, and put them through a strict, five­day­per­week weightlifting program over a 12­week period. Following their workouts, study participants drank either two cups of skim milk (脱脂奶), or a soy beverage with equivalent amounts of protein and energy, or a carbohydrate beverage (碳酸饮料) with an equivalent amount of energy.

Upon the study’s conclusion, scientists observed that：the milk drinking group had lost nearly twice as much fat—two pounds—as those in the carbohydrate beverage group, who lost one pound of fat. Those drinking soy lost no fat. At the same time, the gain in muscle was much greater among the milk drinkers than either the soy or carbohydrate beverage participants.

As published in the first stage of the study, the milk drinking group came out on top in terms of muscle gain with an estimated 40 percent or 2.5 pounds more muscle mass than the soy beverage drinkers. In addition, this group gained 63 percent or 3.3 pounds more muscle mass than the carbohydrate beverage drinkers.

“I think the evidence is beginning to increase, ”says Stuart Phillips—the leader of the study.“Milk may be best known for its calcium (钙) content in supporting bone health, but our research, and later others’, can continually support milk’s ability to aid in muscle growth and also promote body fat loss. Milk is the ideal post­workout drink for recreational exercisers and athletes alike.”

46.According to the study, which is the best drink for exercisers to lose weight？()

A、Fruit juice

B、Soy beverage

C、Skim milk

D、Carbohydrate beverage

47.From the passage we can learn that milk has a good effect on all of the following EXCEPT________.

A、muscle gain

B、brain development

C、bone health

D、fat loss

48.According to the passage, we can know that_____.

A、the scientists chose people aged 18,30 and 56 as participants of the research

B、the weightlifting program which study participants attended was 84 days in total

C、people who drink milk every day are always healthier and thinner than others

D、soy beverages are better than carbohydrate beverages for exercisers to gain muscle

49.What does Philips want to tell us？()

A、More evidence is needed to strengthen their research

B、Milk has more calcium than soy or carbohydrate beverages

C、The calcium in milk can also help gain muscle and lose fat

D、Athletes should be forbidden to drink other beverages except milk

50.What does the passage mainly talk about？()

A、What exercisers should do to lose weight

B、How milk influences people’s health and figure

C、The differences between milk and soy or carbohydrate beverages

D、A research on the effect of drinking milk—gain muscle and lose fat

回答题。

The most frightening words in the English language are, "Our computer is down．" You hearit more and more when you are on business．The other day I was at the airport waiting for a ticketto Washington and the girl in the ticket office said, "I' m sorry, I can' t sell you a ticket．Ourcomputer is down．"

"If your computer is down, just write me out a ticket．"

"I can' t write you out a ticket．The computer is the only one allowed to do so．"

I looked down on the computer and every passenger was just standing there drinking coffeeand staring at the black screen．Then I asked her, "What do all you people do？"

"We give the computer the information about your trip, and then it tells us whether you canfly with us or not．"

"So when it goes down, you go down with it．"

"That' s good, sir．"

"How long will the computer be down？" I wanted to know．

"I have no idea．Sometimes it' s down for 10 minutes, sometimes for two hours．There' s noway we can find out without asking the computer, and since it's down it won't answer us．"

After the girl told me they had no backup computer, I said．"Let's forget the computer．

What about your planes？ They' re still flying, aren' t they？"

"I couldn' t tell without asking the computer．"

"Maybe I could just go to the gate and ask the pilot if he' s flying to Washington," I sugges-ted．

"I wouldn' t know what gate to send you to．Even if the pilot was going to Washington, hecouldn' t take you if you didn' t have a ticket．"

"Is there any other airline flying to Washington within the next few hours？"

"I wouldn' t know," she said, pointing at the dark screen．"Only ' IT' knows．It can' t tellme．"

By this time there were quite a few people standing in lines．The word soon spread to othertravelers that the computer was down．Some people went white; some people started to cry and stillothers kicked their luggage．

The best title for the article is__________． 查看材料

A.When the Computer Is Down

B.The Most Frightening Words

C.The Computer of the Airport

D.Asking the Computer

ome a part of the ritual (例行公事) of the office worker and businessman.

On weekdays in pubs and bars throughout America, there is the late afternoon happy hour.The time may vary from place to place, but usually it is held from four to seven.After the workday is finished, office workers in larger cities and small towns take a relaxing pause and head off for the nearest bar or pub to be with friends, co-workers and colleagues.Within minutes the pub is filled to capacity with businessmen and secretaries, payroll clerks and stock executives.They gather around the bar and gossip about the intrigues (勾心斗角) of office life or matters more personal.This is their oasis (避风港); the place to free themselves from the day's stress at the office.

At these happy hours, social binding occurs between people who share the same workplace or similar professions.They may gossip about each other or talk about a planned project that has yet to meet a deadline.In this sense, these places become extensions of the workplace and may make up a good portion of one's social life.

These happy hours are those late afternoon chances to relax after work and before returning home.Conversations which may begin quietly and with reserve, rise gradually from a chatter to a roar.The oasis quickly fills up with smoke.Loud laughter may cackle in the air as a way to relieve the tensions of the day.The cheerful mood, heightened by the feeling of relief, competes with a TV broadcasting the latest update of CNN evening news or a sports game already in progress.

(1).How long are happy hours？

A.They are exactly two hours

B.They last as long as there are customers

C.They vary from place to place and the price of drinks.

D.Not exactly an hour but maybe a little bit longer

(2).What are the usual times for a happy hour？

A.From 5 p.m.to 8 p.m

B.From 4 p.m.to 7 p.m

C.From 6 p.m.until 9 p.m

D.From 10 p.m.until midnight

(3).Who usually attend happy hours？

A.Teachers and school administrators

B.College students and young people

C.Office workers and business people

D.Housewives

(4).What is the purpose of a happy hour？

A.To give people a happy feeling

B.To help people unwind from the stress of their jobs

C.To have the chance to drink cheaply

D.To bring in extra business

(5).What kind of conversation occurs at a happy hour？

A.General gossip and light business talk

B.Serious conversation

C.Not much talking but a lot of drinking

D.A lot of joking around with the bartender